The 2289-91 from KR Electronics (A Division of NIC) is a Low Pass RF Filter with Frequency DC to 91 MHz, Stopband Frequency 105 MHz, 3 dB Cutoff Frequency 91 MHz, Lower Rejection 45 dB@105 MHz, Upper Rejection 1 dB@105 MHz. Tags: Plug In. More details for 2289-91 can be seen below.
